565724499648 has 2016 divisors, whose sum is σ = 2236007337984. Its totient is φ = 124895232000.

The previous prime is 565724499647. The next prime is 565724499653. The reversal of 565724499648 is 846994427565.

It is a Harshad number since it is a multiple of its sum of digits (69).

Its product of digits (522547200) is a multiple of the sum of its prime divisors (135).

It is not an unprimeable number, because it can be changed into a prime (565724499647) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 13798158508 + ... + 13798158548.

It is an arithmetic number, because the mean of its divisors is an integer number (1109130624).

Almost surely, 2^565724499648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565724499648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118003668992).

565724499648 is an abundant number, since it is smaller than the sum of its proper divisors (1670282838336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565724499648 is a wasteful number, since it uses less digits than its factorization.

565724499648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 135 counting only the distinct ones).

The product of its digits is 522547200, while the sum is 69.

The spelling of 565724499648 in words is "five hundred sixty-five billion, seven hundred twenty-four million, four hundred ninety-nine thousand, six hundred forty-eight".